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Finding the Fourth Proportional to 663,656.10, 994,706.55 and 497,249.70

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Solution

The fourth proportional to 663,656.10, 994,706.55 and 497,249.70 is: 745,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,656.10 : 994,706.55 = 497,249.70 : x
  2. Step 2: Convert to fraction form
    663,656.10/994,706.55 = 497,249.70/x
  3. Step 3: Cross multiply
    663,656.10x = 994,706.55 × 497,249.70
  4. Step 4: Simplify right side
    663,656.10x = 494,617,533,575.54
  5. Step 5: Solve for x
    x = 494,617,533,575.54/663,656.10
  6. Step 6: Final answer
    x = 745,291.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.